<html><head>
<meta content="text/html; charset=gb2312" http-equiv="Content-Type">
<title></title>
<style type="text/css">
<!--
body {
	margin-left: 0px;
	margin-top: 0px;
	background-image: url('images/dhbg.gif');
}
.jd { FONT-SIZE: 9pt; CURSOR: pointer; COLOR: #0074c7; FONT-FAMILY: Webdings }
-->
</style>
</head>

<body>
<table width="100" cellspacing="0" cellpadding="0" border="0" height="100%" onclick="slide_is_show();" class="jd">
  <tbody>
  <tr>
    <td class="jd">
      <div id="bar"><img id="arrow" src="images/l_arrow.jpg" width="10"/></div></td></tr></tbody></table>
<script type="text/javascript" language="JavaScript">
var left_weight = parent.document.getElementById("menu_main").cols;
var showslide=false;
	function slide_is_show(){  
       if(!showslide){  
            slideout();  
        } else {  
            slidein();  //onmouseover="return slideout();"
        }  
    }  
	function slidein(){
		document.getElementById("arrow").src = 'images/l_arrow.jpg';
		parent.document.getElementById("menu_main").cols = left_weight;
		showslide=false;
	}	
	function slideout(){ //alert('ok');
		document.getElementById("arrow").src = 'images/r_arrow.jpg';
		parent.document.getElementById("menu_main").cols = '0,10,*';
		showslide=true;
	}
</script>
</body></html>